Automatic fertilizing device for platycodon grandiflorum cultivation

Abstract

The utility model discloses an automatic fertilizing device for platycodon grandiflorum cultivation, and relates to the technical field of fertilizing devices, the device carries a multispectral imaging system, can obtain and analyze spectral information of crops in real time, realizes variable rate fertilization, effectively reduces fertilizer waste and environmental pollution, and takes an unmanned aerial vehicle body as a carrier. A large-area planting area is covered, fertilizer is stored in the storage box, and continuous operation is supported; the lower adjusting cover is connected with the supporting cover through a spherical hinge to flexibly adjust the fertilizing direction; an opening and closing plate and an opening and closing magnet accurately control a material spraying switch to ensure accurate fertilization; the fixed cover and the upper adjusting cover are also connected through a spherical hinge, and overall direction adjustment is optimized; the motor drives the suction pipe and the turntable to realize high-efficiency suction and spraying of materials; the device improves the fertilization efficiency and precision, reduces the labor intensity, adapts to various terrains, has the advantages of environmental protection and energy conservation, and assists agricultural modernization.

Description

Technical Field

[0001] This utility model relates to the field of fertilization device technology, specifically an automated fertilization device for pleiostatium cultivation. Background Technology

[0002] With the development of modern agriculture, fertilization devices play an important role in improving agricultural production efficiency and crop yield. In particular, for the large-scale cultivation of cash crops such as bellflower, traditional ground fertilization methods are inefficient and difficult to adapt to complex terrain or large-scale planting needs. In recent years, the introduction of drone technology has brought new solutions to agricultural fertilization, but existing technologies still have certain shortcomings.

[0003] Chinese invention patent CN115158646B discloses a self-adjusting spraying device for drone fertilization. It achieves automatic adjustment of spraying angle and range through nozzle adjustment components and linkage mechanism, which can accurately spray liquid and avoid waste. However, the device is mainly designed for liquid agents and is difficult to effectively transport and spray solid granular fertilizers. In addition, it lacks real-time analysis of crop growth status, which limits its application in variable fertilization.

[0004] Chinese invention patent CN116548143B discloses a wind-driven variable fertilizer application device based on a drone. It uses an air delivery component and a fertilizer speed-changing tube to achieve uniform strip application of granular fertilizer. The main board adjusts the fertilizer application amount and air volume according to crop growth information. This design improves the application accuracy of granular fertilizer. However, its fertilizer delivery component has a complex structure, the fertilizer delivery relies on a single wind force adjustment, and it is easily affected by external wind direction. Furthermore, it does not fully consider the flexibility of the device and the precise control of the spray direction, resulting in limited fertilization range and efficiency.

[0005] The above designs improve fertilization efficiency through drone technology, but they still have certain limitations, such as insufficient flexibility in the delivery and spraying control of solid fertilizers, lack of multi-dimensional angle adjustment mechanisms, and failure to combine real-time crop growth data to achieve precise fertilization. This utility model aims to design a fertilization device that integrates a multispectral imaging system and electromagnetic drive control to solve the problems of single fertilization direction, insufficient precision, and poor adaptability in the existing technology, thereby improving the fertilization efficiency and resource utilization rate of Platycodon grandiflorus cultivation. Utility Model Content

[0006] The purpose of this invention is to overcome the shortcomings of the existing technology and propose an automated fertilization device for pleiotropium cultivation to solve the above-mentioned problems.

[0007] The purpose of this utility model is achieved through the following technical solution: an automated fertilization device for Platycodon grandiflorus cultivation, comprising a drone body, a bracket attached to the bottom of the drone body, a storage box fixedly connected to the bottom of the bracket, a lower adjustment cover connected to the top of the storage box by a ball joint, a support cover fixedly connected to the top of the lower adjustment cover, a plurality of opening and closing plates rotatably connected to the outer end of the support cover, an opening and closing magnet fixedly connected to the top of the opening and closing plate, a fixed cover fixedly connected to the bottom of the drone body, an upper adjustment cover connected to the bottom of the fixed cover by a ball joint, an opening and closing plate corresponding to the opening and closing magnet 1 fixedly connected to the bottom of the upper adjustment cover, a motor fixedly connected inside the lower adjustment cover, a suction pipe fixedly connected inside the motor, and a turntable fixedly connected to the top of the suction pipe.

[0008] A feed plug is snapped into the top of the storage box near its outer end, and a cleaning plug is threaded into the bottom of the storage box. A breathing hole is opened on the feed plug. The drone is equipped with a multispectral imaging system to acquire the spectral information of the crop through a multispectral camera, analyze the key indicators of the crop, and achieve precise variable fertilization.

[0009] The top of the support cover and the bottom of the upper adjustment cover are fixedly connected by a pillar. Multiple through holes are opened on the turntable along its radial direction, and all of the multiple through holes are connected to the top of the suction pipe. Multiple through holes are opened at the bottom of the lower adjustment cover.

[0010] The top and bottom of the storage box are both spherical structures, as are the fixed cover and the upper adjusting cover. The bottom of the lower adjusting cover is also spherical, and the centers of the spherical structures of the storage box, the lower adjusting cover, the fixed cover, and the upper adjusting cover converge at the same point.

[0011] Both the opening and closing magnet and the second opening and closing plate are arc structures, and the center of the arc structure of the opening and closing magnet and the second opening and closing plate coincides with the connection point of the first opening and closing plate and the support cover.

[0012] The fixed cover contains multiple coils, the upper adjustment cover contains multiple permanent magnets, the opening and closing plate contains coils, and the opening and closing magnets are made of permanent magnets.

[0013] The top of the storage box has an opening, and the opening range is larger than the rotation range of the suction pipe. The bottom of the suction pipe is two to five millimeters away from the inner wall of the storage box.

[0014] A retaining ring is fixedly connected to the bottom of the opening at the top of the storage box. The retaining ring has a conical structure, and the apex of the conical structure coincides with the center of the sphere of the storage box. The bottom of the retaining ring is two to five millimeters away from the inner wall of the storage box.

[0015] The motor is a brushless motor, and the motor housing is fixedly connected to the lower adjustment cover. The suction pipe passes through the motor drive shaft and is fixedly connected to the drive shaft.

[0016] The beneficial effects of this utility model are:

[0017] 1. By using drones equipped with fertilization devices, this utility model can quickly cover large areas of bellflower planting. Compared with traditional manual fertilization or ground-based mechanical fertilization, drone flight operations significantly improve the speed and efficiency of fertilization, especially in open fields or areas with complex terrain, where the advantages are even more obvious.

[0018] 2. The device is equipped with a multispectral imaging system, which can acquire the spectral information of crops in real time and analyze key indicators such as chlorophyll content and nitrogen content, thereby judging the growth status and nutrient requirements of crops. Based on this, the device can perform variable fertilization according to actual needs, which not only improves the utilization rate of fertilizers, but also avoids resource waste and environmental pollution caused by blind fertilization.

[0019] 3. Drone fertilization eliminates the need for long hours of manual labor in the fields, especially in planting areas with complex terrain or difficult access. Farmers do not need to personally travel through the fields, which greatly reduces labor intensity and improves the convenience and safety of the operation.

[0020] 4. The drone can flexibly adjust its flight path and fertilization mode according to the shape, size and terrain conditions of the field. Whether it is a regular field or an irregular terrain, the device can adapt to different planting modes and environmental needs, showing strong flexibility and adaptability.

[0021] 5. Precision fertilization technology effectively reduces the excessive use of fertilizers, thereby reducing the risk of soil and water pollution. This environmentally friendly feature not only protects the ecological environment but also meets the requirements of sustainable agricultural development, and has important ecological benefits. Attached Figure Description

[0022] Figure 1 This is an overall structural diagram of the present invention;

[0023] Figure 2 This is an exploded view of the entire utility model;

[0024] Figure 3 For the localized explosion of this utility model Figure 1 ;

[0025] Figure 4 For the localized explosion of this utility model Figure 2 ;

[0026] Figure 5 This is a diagram showing the usage state of this utility model;

[0027] Figure 6 This is a front view of the present invention;

[0028] Figure 7 For the present utility model Figure 6 Sectional view of AA;

[0029] Figure 8 For the present utility model Figure 7 Enlarged view at point B in the middle;

[0030] Figure 9 This is a structural diagram of the present utility model.

[0031] Explanation of the labels in the diagram

[0032] 1. Bracket; 2. Storage bin; 3. Lower adjustment cover; 4. Support cover; 5. Opening and closing plate; 6. Opening and closing magnet; 7. Fixed cover; 8. Upper adjustment cover; 9. Opening and closing plate; 10. Motor; 11. Suction pipe; 12. Turntable; 13. Feed plug; 14. Cleaning plug; 15. Retaining ring. Detailed Implementation

[0033] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model.

[0034] It should be noted that the directional concepts of "left", "right", "up", "down", "front", "back", "inner", and "outer" in the following scheme are all relative directions, and will not be listed one by one here.

[0035] Example 1:

[0036] like Figures 1 to 9 As shown, this embodiment provides an automated fertilization device for bellflower cultivation. Its basic structural design aims to achieve efficient material conveying and spraying functions. The main components of the device and their connection relationships are as follows:

[0037] The drone itself serves as the carrier of the entire device, and is responsible for flying over the pine nut cultivation area and locating the fertilization position.

[0038] The bracket 1 is snapped onto the bottom of the drone body, serving to support and fix the storage box 2, ensuring the stability of the storage box 2 during flight.

[0039] The storage bin 2 is fixedly connected to the bottom of the bracket 1 and is used to store fertilizer and other fertilizer materials. The top of the storage bin 2 has an opening, and the opening range is larger than the rotation range of the suction pipe 11, so as to ensure that the suction pipe 11 can smoothly suck up the material when rotating. The bottom of the suction pipe 11 is 2 to 5 mm away from the inner wall of the storage bin 2. This design not only ensures that the suction pipe 11 can effectively suck up the material, but also avoids direct contact with the inner wall of the storage bin 2, reducing wear.

[0040] The lower adjustment cover 3 is connected to the top of the storage box 2 via a ball joint, which can flexibly adjust the angle to adapt to different fertilization needs. The bottom of the lower adjustment cover 3 has multiple through holes for material return. The motor 10 is fixedly connected inside the lower adjustment cover 3 to ensure the stability of operation.

[0041] The support cover 4 is fixedly connected to the top of the lower adjustment cover 3, serving to support the opening and closing plate 5. The top of the support cover 4 is fixedly connected to the bottom of the upper adjustment cover 8 through a support column, forming a stable frame structure.

[0042] Multiple opening and closing plates 5 are rotatably connected to the outer end of the support cover 4, and can be opened and closed to control the spray direction of the material. Each opening and closing plate 5 has an opening and closing magnet 6 fixedly connected to its top for subsequent electromagnetic drive control.

[0043] The fixed cover 7 is fixedly connected to the bottom of the UAV body, which serves to fix the upper adjustment cover 8 and ensure the stability of the upper adjustment cover 8 during flight.

[0044] The upper adjustment cover 8 is connected to the bottom of the fixed cover 7 by a ball joint, which can flexibly adjust the angle. The bottom of the upper adjustment cover 8 is fixedly connected to the opening and closing plate 9, which corresponds to the opening and closing magnet 6, and is used to cooperate with the opening and closing magnet 6 to control the opening and closing of the opening and closing plate 5.

[0045] The motor 10 is a brushless motor, which is fixed inside the lower adjustment cover 3. Its housing is fixedly connected to the lower adjustment cover 3 to ensure stable operation. The motor 10 is responsible for driving the suction pipe 11 and the turntable 12 to rotate. The suction pipe 11 passes through the power shaft of the motor 10 and is fixedly connected to the power shaft to ensure the directness and efficiency of power transmission.

[0046] The suction pipe 11 is fixedly connected to the power shaft of the motor 10 and rotates with the motor 10. The bottom end of the suction pipe 11 is located inside the storage box 2, and the top end is connected to the turntable 12. The design of the suction pipe 11 enables the material to be sucked from the storage box 2 and transported to the turntable 12.

[0047] The turntable 12 is fixedly connected to the top of the suction pipe 11. Multiple through holes are opened on the turntable 12 along its radial direction. These through holes are connected to the top of the suction pipe 11. When the turntable 12 rotates, the through holes spray the material outward under the action of centrifugal force.

[0048] Work process

[0049] Material loading

[0050] First, fertilizer and other fertilization materials are filled into storage bin 2. The opening design at the top of storage bin 2 allows the materials to enter smoothly.

[0051] Unmanned Aerial Vehicle Flight and Positioning

[0052] The drone is activated and flies over the bellflower cultivation area, then locates the target position according to the fertilization needs.

[0053] Motor drive and material suction

[0054] Start the motor 10, which drives the suction pipe 11 and the turntable 12 to rotate. The bottom end of the suction pipe 11 rotates inside the storage box 2. Since the bottom end of the suction pipe 11 is 2 to 5 millimeters away from the inner wall of the storage box 2, the material is sucked into the suction pipe 11 under the action of centrifugal force and airflow.

[0055] Material spraying

[0056] The sucked-in material is transported to the turntable 12 through the suction pipe 11. When the turntable 12 rotates, the multiple through holes are subjected to centrifugal force, which sprays the material outward to cover the pine stalk cultivation area and realize the fertilization operation.

[0057] Material reflux

[0058] During the fertilization process, any material that is not sprayed or blocked by the opening and closing plate 5 will flow back into the storage tank 2 under gravity through the through hole at the bottom of the lower adjustment cover 3, and participate in the next spraying cycle.

[0059] The motor 10 drives the suction pipe 11 and the turntable 12 to rotate, and combined with the centrifugal force, the material is quickly sucked into the storage box 2 and sprayed evenly, which greatly improves the fertilization efficiency.

[0060] The through-hole design at the bottom of the lower adjustment cover 3 allows unsprayed material to flow back into the storage bin 2, avoiding material waste and improving resource utilization.

[0061] The storage box 2 and the lower adjusting cover 3, and the fixed cover 7 and the upper adjusting cover 8 are all connected by ball joints, which can flexibly adjust the angle and provide convenience for controlling the spray direction.

[0062] Motor 10 is a brushless motor, and its power shaft is directly fixedly connected to the suction pipe 11, which ensures the high efficiency and stability of power transmission and reduces the risk of energy loss and mechanical failure.

[0063] The opening range at the top of the storage box 2 is larger than the rotation range of the suction pipe 11, and the distance between the bottom end of the suction pipe 11 and the inner wall of the storage box 2 is reasonably designed to ensure the stable operation of the device under different flight attitudes and fertilization requirements.

[0064] Example 2:

[0065] like Figures 1 to 9As shown, based on Example 1, this example further enhances the precision fertilization and control functions of the fertilization device. By introducing a multispectral imaging system, a spherical structure design, an electromagnetic drive mechanism, and a baffle ring structure, precise control of the fertilization position and spray direction is achieved. The following is a detailed description of Example 2, including specific implementation methods, working process, and corresponding beneficial effects.

[0066] A feed plug 13 is snapped onto the top of the storage box 2 near the outer end for filling fertilizer and other materials. The feed plug 13 has a vent hole to ensure that the air pressure inside and outside the storage box 2 is balanced, avoiding air pressure problems during filling or spraying. A cleaning plug 14 is threaded onto the bottom of the storage box 2 to facilitate cleaning and maintenance of the storage box 2 after fertilization.

[0067] The drone is equipped with a multispectral imaging system, which uses a multispectral camera to acquire spectral information of the bellflower crop and analyze key indicators such as chlorophyll content and nitrogen content, thereby enabling precise variable fertilization.

[0068] The top and bottom of the storage box 2 are both spherical structures, as are the fixed cover 7 and the upper adjusting cover 8. The bottom of the lower adjusting cover 3 is also spherical. The centers of the spherical structures of the storage box 2, the lower adjusting cover 3, the fixed cover 7, and the upper adjusting cover 8 converge at the same point, ensuring that each component can rotate in a coordinated manner, thereby improving the control flexibility and stability of the device.

[0069] Both the opening and closing magnet 6 and the second opening and closing plate 9 are arc structures, and their centers coincide with the connection point of the first opening and closing plate 5 and the support cover 4. This design ensures that the first opening and closing plate 5 can open and close smoothly when rotating, reducing resistance and improving control accuracy.

[0070] The fixed cover 7 is embedded with multiple coils, and the upper adjustment cover 8 is embedded with multiple permanent magnets. By controlling the energization of the coils in the fixed cover 7, a magnetic field is generated that interacts with the permanent magnets in the upper adjustment cover 8, driving the upper adjustment cover 8 to rotate. This, in turn, drives the support cover 4, the opening and closing plate 5, the lower adjustment cover 3, the motor 10, the suction pipe 11, and the turntable 12 to rotate as a whole, adjusting the overall direction of material spraying.

[0071] The second opening and closing plate 9 is embedded with a coil, and the opening and closing magnet 6 is made of a permanent magnet. By controlling the energization of the coil in the second opening and closing plate 9, a magnetic field is generated that interacts with the opening and closing magnet 6, driving the opening and closing magnet 6 to rotate, thereby driving the first opening and closing plate 5 to open and close, and controlling the specific position of material spraying.

[0072] A retaining ring 15 is fixedly connected to the bottom of the opening at the top of the storage box 2. The retaining ring 15 is a conical structure, and its apex coincides with the center of the sphere of the storage box 2. The bottom of the retaining ring 15 is 2 to 5 millimeters away from the inner wall of the storage box 2. It is used to control the flow of materials and ensure that the materials continuously and evenly enter the suction range of the suction pipe 11.

[0073] Work process

[0074] Material loading

[0075] Open the feed plug 13 and fill the storage box 2 with fertilizer and other materials. The baffle ring 15 inside the storage box 2 blocks the material. The material enters the storage box 2 at the position corresponding to the bottom of the baffle ring 15 through the gap (2-5 mm) between the storage box 2 and the baffle ring 15, ensuring that the material can be continuously supplied to the suction area of ​​the suction pipe 11.

[0076] Unmanned Aerial Vehicle Flight and Positioning

[0077] The drone is activated and flies over the lisianthus cultivation area. The drone uses a multispectral camera to acquire spectral information of the crop, analyzes key indicators such as chlorophyll content and nitrogen content, and calculates the specific location where fertilization is needed.

[0078] Motor drive and material suction

[0079] Start the motor 10 to drive the suction pipe 11 and the turntable 12 to rotate. When the turntable 12 rotates, the through hole on it throws the gas outward under the action of centrifugal force, forming an airflow that drives the material at the bottom of the suction pipe 11 to move upward. The material is transported to the turntable 12 through the suction pipe 11.

[0080] Material spraying and precision fertilization

[0081] Control of opening and closing plate 15: Based on the fertilization location analyzed by the multispectral system, the coil inside the opening and closing plate 29 is energized to generate a magnetic field that drives the corresponding opening and closing magnet 6 to rotate. The opening and closing magnet 6 drives the opening and closing plate 15 to rotate, causing the bottom end of the opening and closing plate 15 to open away from the lower adjustment cover 3. At this time, the material sprayed from the through hole of the turntable 12 is sprayed out from the opened position of the opening and closing plate 15 and accurately spread to the position where fertilization is needed.

[0082] Overall adjustment of the spray direction: By energizing the coil inside the fixed cover 7, a magnetic field is generated that interacts with the permanent magnet inside the upper adjustment cover 8, driving the upper adjustment cover 8 to rotate. This, in turn, drives the support cover 4, opening and closing plate 5, lower adjustment cover 3, motor 10, suction pipe 11, and turntable 12 to rotate as a whole, adjusting the overall direction of the material spray to ensure that the material accurately reaches the required position.

[0083] Material reflux

[0084] After fertilization is completed, the corresponding opening and closing plate 5 is closed by the coil inside the second opening and closing plate 9. After closing, the material sprayed from the turntable 12 is blocked by the first opening and closing plate 5 and flows back into the storage box 2 through the through hole at the bottom of the lower adjusting cover 3 under the action of gravity, and participates in the next spraying cycle.

[0085] Continuous material supply

[0086] During the fertilization process, the material continuously enters the baffle ring 15 from the inner wall of the storage box 2 at the outer end of the baffle ring 15 through the gap between the storage box 2 and the baffle ring 15, ensuring that the suction pipe 11 can continuously suck up the material.

[0087] By acquiring spectral information of crops through a multispectral imaging system, analyzing key indicators such as chlorophyll and nitrogen, and accurately calculating fertilization locations, combined with electromagnetically driven opening and closing plate-5 control, variable fertilization is realized, avoiding over- or under-fertilization and improving the targeting and efficiency of fertilization.

[0088] Independent control of opening and closing plate 15: Through the electromagnetic drive mechanism of the coil in opening and closing plate 29 and opening and closing magnet 6, the opening and closing of each opening and closing plate 15 can be controlled independently, so as to achieve precise control of the material spraying position.

[0089] Adjustability of overall spraying direction: Through the electromagnetic drive of the coil inside the fixed cover 7 and the permanent magnet inside the upper adjustment cover 8, the angle of the upper adjustment cover 8 can be flexibly adjusted, thereby driving the rotation of the entire spraying system and making the material spraying direction adapt to different fertilization needs.

[0090] The spherical structure design of the storage box 2, lower adjusting cover 3, fixed cover 7 and upper adjusting cover 8, with the center of the spheres converging at the same point, ensures that the components rotate in a coordinated manner, reducing mechanical stress and wear, and improving the stability and service life of the device.

[0091] The conical structure design of the retaining ring 15 and the distance (2-5 mm) between it and the inner wall of the storage box 2 effectively control the flow speed and direction of the material, ensuring that the material continuously and evenly enters the suction range of the suction pipe 11, avoiding the problems of material blockage or insufficient supply.

[0092] The design of the feed plug 13 and the cleaning plug 14 makes the filling of materials and the cleaning of the device easier. The setting of the breathing vent ensures the air pressure balance inside and outside the storage box 2, which improves the practicality and maintainability of the device.

[0093] The above description is only a preferred embodiment of the present utility model. It should be understood that the present utility model is not limited to the form disclosed herein and should not be regarded as an exclusion of other embodiments. It can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and changes made by those skilled in the art that do not depart from the spirit and scope of the present utility model should be protected within the scope of the appended claims.

Claims

1. An automated fertilization device for bellflower cultivation, comprising a drone body, characterized in that, The bottom of the drone body is attached to a bracket (1), the bottom of the bracket (1) is fixedly connected to a storage box (2), the top of the storage box (2) is ball-jointed to a lower adjustment cover (3), the top of the lower adjustment cover (3) is fixedly connected to a support cover (4), the outer end of the support cover (4) is rotatably connected to multiple opening and closing plates (5), the top of the opening and closing plate (5) is fixedly connected to an opening and closing magnet (6), the bottom of the drone body is fixedly connected to a fixed cover (7), the bottom of the fixed cover (7) is ball-jointed to an upper adjustment cover (8), the bottom of the upper adjustment cover (8) is fixedly connected to an opening and closing plate (9) corresponding to the opening and closing magnet (6), the lower adjustment cover (3) is fixedly connected to a motor (10), the motor (10) is fixedly connected to a suction pipe (11), and the top of the suction pipe (11) is fixedly connected to a turntable (12).

2. The automated fertilization device for Platycodon grandiflorus cultivation according to claim 1, characterized in that: The top of the storage box (2) is fitted with a feed plug (13) near its outer end, and the bottom of the storage box (2) is threaded with a cleaning plug (14). The feed plug (13) has a breathing hole. The UAV body is equipped with a multispectral imaging system to acquire the spectral information of the crop through a multispectral camera, analyze the key indicators of the crop, and achieve precise variable fertilization.

3. An automated fertilization device for bellflower cultivation according to claim 2, characterized in that: The top of the support cover (4) is fixedly connected to the bottom of the upper adjustment cover (8) by a support column. The turntable (12) has multiple through holes along its radial direction, and the multiple through holes are connected to the top of the suction pipe (11). The bottom of the lower adjustment cover (3) has multiple through holes.

4. An automated fertilization device for bellflower cultivation according to claim 3, characterized in that: The top and bottom of the storage box (2) are both spherical structures, the fixed cover (7) and the upper adjustment cover (8) are both spherical structures, the bottom of the lower adjustment cover (3) is also a spherical structure, and the centers of the spherical structures of the storage box (2), the lower adjustment cover (3), the fixed cover (7) and the upper adjustment cover (8) converge at the same point.

5. An automated fertilization device for bellflower cultivation according to claim 2, characterized in that: The opening and closing magnet (6) and the second opening and closing plate (9) are both arc structures, and the center of the arc structure of the opening and closing magnet (6) and the second opening and closing plate (9) coincides with the connection point of the first opening and closing plate (5) and the support cover (4).

6. An automated fertilization device for bellflower cultivation according to claim 5, characterized in that: The fixed cover (7) is inlaid with multiple coils, the upper adjustment cover (8) is inlaid with multiple permanent magnets, the second opening and closing plate (9) is inlaid with coils, and the opening and closing magnet (6) is made of permanent magnets.

7. An automated fertilization device for bellflower cultivation according to claim 6, characterized in that: The top of the storage box (2) has an opening, and the opening range is larger than the rotation range of the suction pipe (11). The bottom end of the suction pipe (11) is two to five millimeters away from the inner wall of the storage box (2).

8. An automated fertilization device for bellflower cultivation according to claim 7, characterized in that: A retaining ring (15) is fixedly connected to the bottom of the opening at the top of the storage box (2). The retaining ring (15) is a conical structure, and the apex of the conical structure coincides with the center of the sphere of the storage box (2). The bottom of the retaining ring (15) is two to five millimeters away from the inner wall of the storage box (2).

9. An automated fertilization device for bellflower cultivation according to claim 1, characterized in that: The motor (10) is a brushless motor, and the motor (10) housing is fixedly connected to the lower adjustment cover (3). The suction pipe (11) passes through the motor (10) power shaft and is fixedly connected to the power shaft.

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